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Biomorphic SiC pellets as catalyst support for partial oxidation of methane to syngas

Paper ID Volume ID Publish Year Pages File Format Full-Text
48291 46500 2008 6 PDF Available
Title
Biomorphic SiC pellets as catalyst support for partial oxidation of methane to syngas
Abstract

Biomorphic silicon carbide (bioSiC) pellets prepared from carbonized millet were employed as nickel catalyst support for the partial oxidation of methane to syngas in a fixed-bed quartz reactor at 800 °C. To reduce the loss of nickel active component during the reaction, alumina was used to modify the bioSiC surface. The temperature programmed reduction reveals that the alumina modification can evidently increase the reduction temperature of nickel oxide and therefore enhance the interaction between nickel and support. Due to the enhanced interaction, the nickel component becomes stable and difficult to migrate on the support surface. As a result, the modified bioSiC catalyst shows higher catalytic activity and stability than the unmodified. Compared with the catalyst supported on powdered SiC, the pelletized catalyst shows higher activity, especially at high gas hourly space velocity.

Keywords
Partial oxidation of methane; Ni/bioSiC catalyst; Ni/bioSiC–Al2O3 catalyst
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Biomorphic SiC pellets as catalyst support for partial oxidation of methane to syngas
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 79, Issue 4, 8 March 2008, Pages 307–312
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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